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Machine springs – precision components for mechanical systems

Machine springs are critical components in mechanical and engine systems. They store, release or balance mechanical energy and are essential in applications ranging from automotive engines to industrial machinery and marine equipment. Whether as a pressure spring or a technical spring for dynamic loads, high-quality machine springs help maintain system reliability and performance stability.

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SPRING - 81320500121 suitable for MAN D engines

SPRING - 81320500121 suitable for MAN D engines

Premium Spring Suitable for EnginesDiscover our product, the spring with comparison number 81320500121, specifically designed for engines. This spring is suitable for MAN D engines and belongs to the article group of springs. Constructed according to the requirements of OEM standards, this replacement part ensures optimal performance and durability in your application area.

SPRING - 81320500118 suitable for MAN D engines

SPRING - 81320500118 suitable for MAN D engines

Spring suitable for MAN D EnginesDiscover the premium spring with the comparison number 81320500118, which is specifically suitable for MAN D engines. This product ensures that your engines operate in optimal condition and can fully unleash their performance. Weighing only 0.044 kg, this spring offers an excellent balance between lightness and stability.

SPRING - 81320500116 suitable for MAN D engines

SPRING - 81320500116 suitable for MAN D engines

Precise Spring: Quality that ImpressesDiscover our product, the spring with the comparison number 81320500116, suitable for MAN D engines. These springs are essential components for the reliable operation of your engines in marine and stationary applications. With a weight of only 0.01 kg, they offer the ideal combination of robustness and lightness, perfect for demanding applications.OEM Replacement Parts: High-Quality Solutions for EnginesThe spring under the comparison number 81320500116 is an OEM replacement part that is optimally tailored to the specific requirements of MAN D engines. You can rely on the best quality and accuracy of fit. These features are crucial to ensure the smooth operation of your engines.

SPRING - 81320500107 suitable for MAN D engines

SPRING - 81320500107 suitable for MAN D engines

Spring Suitable for MAN D EnginesDiscover our spring with the comparison number 81320500107, designed as the perfect OEM replacement part. This product is suitable for MAN D engines and ensures optimal performance. Weighing only 0.03 kg, it provides the ideal combination of robustness and efficiency for your marine or stationary applications.OEM Replacement Parts for Maximum PerformanceWith us, you receive only OEM replacement parts that meet strict quality standards. The spring with the comparison number 81320500107 is an important component developed for MAN D engines. This ensures that your engines operate reliably even under demanding conditions. Trust in our expertise in the field of replacement parts for engines and secure top-notch quality.

DIAPHRAGM SPRING - 81303120005 suitable for MAN D engines

DIAPHRAGM SPRING - 81303120005 suitable for MAN D engines

Robust Diaphragm Spring for Reliable PerformanceDiscover the diaphragm spring with the comparison number 81303120005, an essential OEM spare part specifically designed to optimize engine performance. Weighing 1.62 kg, this product provides the stability you need for the smooth operation of your machinery. This diaphragm spring is the ideal choice for complex applications and contributes to the efficiency of compatible with MAN D engines.

RETAINING SPRING - 81252450093 suitable for MAN D engines

RETAINING SPRING - 81252450093 suitable for MAN D engines

Retaining spring suitable for MAN D – Quality that convincesThe retaining spring with the comparison number 81252450093 is a reliable OEM spare part specifically designed for MAN D engines. This product weighs only 0.007 kg and belongs to the springs category. The meticulous processing ensures that the retaining spring optimally supports the performance of your engines.OEM spare parts for best performanceAt MOPA Motorparts, we offer you exclusively OEM spare parts that meet the highest quality standards. The retaining spring suitable for MAN D plays a central role in the optimal functioning of your engines. By using this product, you minimize the risk of failures and enhance the efficiency of your machines.

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RETAINING SPRING - 81251160033 suitable for MAN D engines

RETAINING SPRING - 81251160033 suitable for MAN D engines

Quality and Performance in OneDiscover the OEM spare part retaining spring, suitable for MAN D engines with the comparison number 81251160033. This product meets the highest quality standards and represents a long-term investment in the performance of your engines. Rely on our expertise in the field of engines and the reliability you expect.Trust in Our ExpertiseWith over 25 years of experience, we specialize in spare parts for diesel and gas engines. Our comparison number 81251160033 describes an OEM spare part that is simply and reliably compatible. This retaining spring is an excellent example of our dedication to quality and functionality.

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SPRING - 81251160032 suitable for MAN D engines

SPRING - 81251160032 suitable for MAN D engines

OEM Spare Parts for MAN D EnginesThe spring with the comparison number 81251160032 is an essential OEM spare part that fits MAN D engines. Weighing only 0.01 kg, this product ensures that your engines always operate efficiently and reliably. Rely on a solution that has proven itself in marine and stationary use.Precise Fit: Comparison Number 81251160032This product is specifically designed to ensure that the demands of MAN D engines are optimally met. Thanks to the comparison number 81251160032, you can be sure that the spring is perfectly tailored to the respective requirements. Invest in this component to maximize the performance and efficiency of your engines.

Sale price: €8.97Regular price:€9.97(10% saved)
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RETAINING SPRING - 81251160031 suitable for MAN D engines

RETAINING SPRING - 81251160031 suitable for MAN D engines

Retaining spring with comparison number 81251160031Discover the retaining spring with comparison number 81251160031, an essential element specifically designed for use in engines. With its lightweight of 0.004 kg, this retaining spring is not only light but also offers outstanding stability and durability. It is an original part that ensures the quality meets the highest standards.Suitable for MAN D enginesOur retaining spring is manufactured to fit MAN D engines and meets all specific requirements for such engines. Thanks to its precise construction, this original part is ideal for your marine or stationary applications. When it comes to engine reliability, you can rely on the performance of this retaining spring.

Sale price: €5.52Regular price:€6.14(10% saved)
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RETAINING SPRING - 81251160030 suitable for MAN D engines

RETAINING SPRING - 81251160030 suitable for MAN D engines

Reliable Retaining Spring for Efficient Engine PerformanceDiscover the retaining spring with the comparison number 81251160030, an essential spare part. This precisely manufactured product from the category of springs ensures optimal performance and functionality in your engines. Weighing just 0.002 kg, this retaining spring is lightweight yet robust and reliable.Optimal Fit for MAN D EnginesThe retaining spring 81251160030 is specifically designed to fit MAN D engines and offers the quality you expect from a spare part. You benefit from the exact fit and high durability that only the best parts can provide. This ensures that your engines are always in top form and deliver the desired performance.

Sale price: €5.37Regular price:€5.97(10% saved)
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RETAINING SPRING - 81251160026 suitable for MAN D engines

RETAINING SPRING - 81251160026 suitable for MAN D engines

Reliable Retaining Spring – Comparison Number 81251160026Discover the retaining spring with the comparison number 81251160026. This essential product belongs to the group of springs and is an OEM replacement part of top quality. Weighing only 0.001 kg, the retaining spring ensures effortless installation and significantly contributes to the functionality of your engines.Perfectly Suitable for MAN D EnginesThe retaining spring is suitable for MAN D engines and ensures high performance as well as a long lifespan. Its careful manufacture as an OEM replacement part assures that you receive a product that meets all the requirements of your engine. Rely on our expertise to operate your engines efficiently.

RETAINING SPRING - 1304682009 suitable for Bosch engines

RETAINING SPRING - 1304682009 suitable for Bosch engines

Retaining Spring – Reliable Spare Part for Your EnginesDiscover the retaining spring, listed under the comparison number 1304682009, specifically designed for MAN D engines. This spare part is essential for the maintenance of your machines in maritime or stationary applications. Weighing only 0.001 kg, it provides an ideal solution for your systems.

SPRING - 81251160025 suitable for MAN D engines

SPRING - 81251160025 suitable for MAN D engines

Spring for Your EnginesDiscover the spring with the comparison number 81251160025, an essential OEM replacement part that is crucial for the performance of engines. This product is optimized for the demanding requirements of MAN D engines. Weighing only 0.007 kg, this spring is versatile and easy to handle.Suitable for MAN D EnginesThe OEM replacement part is specifically designed for MAN D engines and ensures high reliability in operation. This spring is developed not only for marine and stationary engines but also for locomotives. Trust in the quality and durability that this product offers to maximize the efficiency of your engines.

RETAINING SPRING - 81251160024 suitable for MAN D engines

RETAINING SPRING - 81251160024 suitable for MAN D engines

Retaining Spring – Comparison Number 81251160024Discover our premium OEM spare part, the retaining spring with the comparison number 81251160024. This product is specifically designed for diesel and gas engines that undertake demanding tasks in marine and stationary applications. Weighing only 0.002 kg, the retaining spring offers the perfect balance between robustness and functionality.Suitable for MAN D EnginesOur retaining spring is suitable for MAN D engines, ensuring reliable performance of your drive system. By using selected materials, a long service life is assured. OEM spare parts, like this product, are essential for the proper functioning of your engines, which is why we want to offer you only the best.

RETAINING SPRING - 81251160023 suitable for MAN D engines

RETAINING SPRING - 81251160023 suitable for MAN D engines

Discover the Retaining Spring with Comparison Number 81251160023Discover the retaining spring with the comparison number 81251160023 – an essential OEM spare part for your needs. This retaining spring weighs only 0.003 kg and is the ideal product to optimize the performance of your engines. As a color and shape component, it ensures reliable operation and stability.

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RETAINING SPRING - 81251160022 suitable for MAN D engines

RETAINING SPRING - 81251160022 suitable for MAN D engines

Retaining Spring: Reliable Product for Your EnginesDiscover our spare part, the retaining spring with the reference number 81251160022. This product is suitable for MAN D engines and ensures that your engines operate at optimal performance. Weighing only 0.003 kg, this retaining spring combines lightness with stability and should not be missing in any workshop specializing in springs for engines.Quality and Fit: Focus on OEM Spare PartsThe retaining spring is designed as an OEM spare part and offers the highest precision and durability. Thanks to its fit, it is ideal for anyone looking for spare parts suitable for MAN D. Rely on our reference number 81251160022 to ensure that your requirements are met.

Sale price: €4.89Regular price:€5.43(10% saved)
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RETAINING SPRING - 1304680023 suitable for Bosch engines

RETAINING SPRING - 1304680023 suitable for Bosch engines

Exclusive Retaining Spring: Reference Number 1304680023Discover our retaining spring, reference number 1304680023, a top-quality OEM spare part designed for the demands of engines in marine and stationary applications. This retaining spring offers the precision and reliability essential for the smooth operation of engines.

Sale price: €4.89Regular price:€5.43(10% saved)
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RETAINING SPRING - 81251160015 suitable for MAN D engines

RETAINING SPRING - 81251160015 suitable for MAN D engines

Retaining spring with reference number 81251160015Discover the reliable retaining spring with the reference number 81251160015, an indispensable OEM spare part for your engines. This retaining spring offers optimal performance and is specifically designed for MAN D engines. Weighing only 0.004 kg, this product is a lightweight yet robust solution that supports the functionality of your engines.Quality of OEM spare partsOur retaining spring is designed as an OEM spare part, meaning it is manufactured to original equipment quality. Trust in products that are not only suitable for MAN D engines but also meet the highest standards. This product enhances the smooth operation of your machines and systems.

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RETAINING SPRING - 81251160014 suitable for MAN D engines

RETAINING SPRING - 81251160014 suitable for MAN D engines

Retaining Spring suitable for MAN D EnginesDiscover the retaining spring with the comparison number 81251160014, specifically designed to ensure optimal performance in engines. This product is suitable for MAN D engines and is characterized by excellent dimensional accuracy and quality. Weighing only 0.002 kg, the retaining spring is a lightweight yet indispensable spare part for the reliable operation of your engines.OEM Spare Parts – Precision in DetailThe product is an OEM spare part, meaning it meets the high-quality standards of the manufacturer. Compared to aftermarket alternatives that often require modifications, the retaining spring with the comparison number 81251160014 offers a perfect fit. Trust in the quality of OEM spare parts that are specifically designed for use in engines.

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RETAINING SPRING - 1301320013 suitable for Bosch engines

RETAINING SPRING - 1301320013 suitable for Bosch engines

Reliable Retaining Spring Suitable for MAN D Engines Discover the retaining spring with the comparison number 1301320013, which is exclusively designed for use in MAN D engines. This OEM spare part offers you the quality and durability you expect when it comes to essential components for engines. Weighing only 0.002 kg, the retaining spring is lightweight yet robust, making it ideal for your demanding applications.Optimal Fit for Maximum Efficiency This retaining spring is suitable for MAN D engines and has been developed to enable top-notch performance. Our product group includes only the best OEM spare parts, specifically selected for various engine brands such as MWM, Mercedes-Benz, Deutz, VOLVO, and MTU. Trust in the quality of this product, which is perfectly tailored to meet your requirements.

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RETAINING SPRING - 81251160013 suitable for MAN D engines

RETAINING SPRING - 81251160013 suitable for MAN D engines

Retaining spring suitable for MAN D enginesDiscover the retaining spring with the comparison number 81251160013, an essential OEM spare part for your machine. This retaining spring belongs to the group of springs and is specifically designed to optimize the performance and reliability of engines. Weighing only 0.001 kg, it is lightweight yet robust, ideal for applications in the marine and stationary sectors.First-class quality for enginesThe retaining spring with comparison number 81251160013 is a high-quality OEM spare part that gives you the reliability you can trust. Unlike aftermarket products, which often do not meet the required standards, our OEM spare parts provide the exact fit and durability. Rely on the quality that comes only from the manufacturer.

RETAINING SPRING - 81251160007 suitable for MAN D engines

RETAINING SPRING - 81251160007 suitable for MAN D engines

OEM Spare Part: Retaining spring with comparison number 81251160007Discover the retaining spring with comparison number 81251160007 – an essential OEM spare part, suitable for MAN D engines. This retaining spring impresses with its precise fit and was specifically designed for the high demands in marine and stationary applications. Weighing only 0.001 kg, it offers both robustness and efficiency for your engines.Quality and functionality in engine operationThe retaining spring, comparison number 81251160007, ensures optimal functionality in your engine operation. As a valuable component suitable for MAN D, it meets the stringent requirements of the industry. Rely on the manufacturing quality of an OEM spare part to ensure the operational readiness of your engines.

GOVERNOR SPRING - 81115140004 suitable for MAN D engines

GOVERNOR SPRING - 81115140004 suitable for MAN D engines

Control spring suitable for MAN D enginesDiscover the control spring with the comparison number 81115140004, a top-quality OEM spare part that ensures optimal functionality of your engines. This control spring is suitable for MAN D engines and ensures that your system always operates efficiently. The careful craftsmanship provides a long service life, making it ideal for marine and stationary applications.Optimal functionality for enginesThe control spring from our article group Springs is an essential component suitable for MAN D engines. Weighing only 0.003 kg, this OEM spare part is not only lightweight but also highly efficient. Rely on quality that stands out through precision and durability to meet the high demands of your engines.

SPRING - 81066202227 suitable for MAN D engines

SPRING - 81066202227 suitable for MAN D engines

Excellent Spring – Comparison Number: 81066202227The spring with the comparison number 81066202227 is an essential replacement part specifically designed to optimally support engine systems. This spring is carefully manufactured to ensure performance and reliability and is perfectly suited for demanding applications. Weighing only 0.034 kg, it is lightweight yet extremely robust.

Function and benefits

Machine springs absorb and compensate forces in motion and pressure systems. In engines, engine springs play a vital role in valve timing, vibration damping and tension control. Using the right spring engine configuration ensures:

  • Consistent force distribution and mechanical balance
  • Vibration reduction in dynamic systems
  • Longer lifespan of mechanical assemblies through controlled stress absorption

In marine applications, marine springs must also withstand corrosion and dynamic pressure changes in saltwater environments.

Types and applications of machine springs

There are many types of machine springs, including compression springs, tension springs, torsion springs and disc springs. Depending on the function, technical springs are tailored in size, material and force characteristics. The pressure spring is one of the most common forms and is used to generate resistance or restore position in systems.

In the spring engine context, applications include valve return mechanisms, clutch systems, tensioners and control linkages. The engine spring valve in particular is critical for precise valve control in combustion engines.

Material selection and durability

Machine springs are typically made from high-grade spring steel, stainless steel or special alloys with high fatigue resistance. The selection depends on temperature, load cycles, corrosion exposure and required elasticity. In a marine spring environment, surface coatings or non-corrosive materials such as phosphated or shot-peened spring steel are standard.

All technical springs must meet strict tolerances to ensure predictable load behavior and long-term performance – especially when used in sensitive applications like engine springs or mechanical valves.

Replacement and availability

Machine springs are subject to wear, stress fatigue and corrosion. Regular inspection and preventive replacement are crucial, especially for parts under high mechanical load. We offer a wide range of OEM-machine springs suitable for MTU, Deutz, MAN, Volvo Penta, and MWM engines.

Whether you're sourcing an engine spring valve, a technical pressure spring or a marine spring for critical offshore systems – our stock ensures fast availability and professional-grade reliability.

Springs for industrial and marine engines – suitable for MTU, Deutz, MAN, Volvo Penta and MWM – replacement parts

FAQ

What is machine springs?
Machine springs are mechanical components that store and release energy through deformation. They are used in engines, machines, and technical assemblies to manage motion, absorb shock, and maintain tension or compression in a system. Common types include compression, tension and torsion springs.

How do machine springs work?
Machine springs work by compressing, extending or twisting under load, then returning to their original shape. In an engine, for example, engine springs help open and close valves (engine spring valve), maintain belt tension, or absorb vibration. A pressure spring resists force to hold components in position or restore them to a starting point when the load is released.

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